.yellow {
  color: #ff5f16;
}
.gray {
  color: #797d82;
}
.pt-60 {
  padding-top: 60px;
}
.yellow {
  color: #ffb232;
}
.bott0 {
  bottom: 0;
}
.mt-60 {
  margin-top: 100px;
}
.bd-gray {
  border-bottom: 1px solid #f5f5f5;
}
.f15 {
  font-size: 15px;
}
header {
  top: 0;
  width: 100%;
}
header .titl {
  height: 48px;
  line-height: 48px;
}
header .list {
  justify-content: space-between;
  flex-wrap: wrap;
  display: flex;
}
header .list .item {
  width: 22%;
  height: 30px;
}
.lists {
  padding: 15px 15px 15px 15px;
}
/* 底部 */
.footer {
  height: 50px;
}
.active span {
  border: 1px solid red;
  padding: 3px 8px;
}
